[C++] Implement streaming RecordBatchReader for JSON #33140
Description
We don't currently support incremental RecordBatch reading from JSON streams, which is needed to properly implement JSON support in Dataset. The existing CSV StreamingReader API can be used as a model.
Reporter: Ben Harkins / @benibus
Assignee: Ben Harkins / @benibus
PRs and other links:
Note: This issue was originally created as ARROW-17932. Please see the migration documentation for further details.